Use the pthread_spin_lock(3C) to lock a spin lock. The calling thread acquires the lock if it is not held by another thread. Otherwise, the thread does not return from the. call until the lock becomes available. The results are undefined if the calling thread holds the lock at the time the call is made.
Sir Robert Bryson Hall II (born January 22, 1990), known by his stage name Logic, is an American rapper, singer, songwriter and record producer.
Willie Maxwell II (born June 7, 1991), known professionally as Fetty Wap, is an American rapper. He rose to prominence after his debut single Trap Queen, reached number two on the U.S. Billboard Hot 100 chart in May 2015.